# File lib/pry/indent.rb, line 194
    def correct_indentation(full_line, overhang=0)
      if Readline.respond_to?(:get_screen_size)
        _, cols = Readline.get_screen_size
        lines = full_line.length / cols + 1
      elsif ENV['COLUMNS'] && ENV['COLUMNS'] != ''
        cols = ENV['COLUMNS'].to_i
        lines = full_line.length / cols + 1
      else
        lines = 1
      end

      if defined?(Win32::Console)
        move_up   = "\e[#{lines}F"
        move_down = "\e[#{lines}E"
      else
        move_up   = "\e[#{lines}A\e[0G"
        move_down = "\e[#{lines}B\e[0G"
      end
      whitespace = ' ' * overhang

      "#{move_up}#{full_line}#{whitespace}#{move_down}"
    end